STEINNI
54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
const Ajv = require("ajv")
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const confSchema = require('./configSchema.json')
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let DynamoDBClient, GetItemCommand, marshall, unmarshall
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module.exports = class configHelper {
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constructor(options){
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this.config = {}
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this.localfile = options.localfile
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this.fetchConfig = this.fetchConfigFile
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this.refreshAccessRights = this.refreshAccessRightsFile
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const ajv = new Ajv({
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allowUnionTypes: true
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})
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this.configValidator = ajv.compile(confSchema)
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}
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isValidConfig(conf){
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if(this.configValidator(conf)) return(true)
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console.error('Invalid configuration: ', this.configValidator.errors)
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return(false)
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}
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async fetchConfigFile(){
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let curConfig = this.config
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this.config = await require(this.localfile)
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if(this.isValidConfig(this.config)) return(this.config)
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console.error(this.isValidConfig.errors)
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//revert if invalid conf
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this.config = curConfig
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}
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async refreshAccessRightsDynamo(){
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let ar = await this.dynamoGet('accessRights')
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this.config.accessRights = ar
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}
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async refreshAccessRightsFile(){
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delete require.cache[require.resolve(this.localfile)]
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let tmp
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try { tmp = require(this.localfile) }
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catch(err) {
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console.error('Error Reloading config !! (bad json?) => Keeping current accessRights !')
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return
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}
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if(!tmp.accessRights) {
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console.error('Error Reloading config !! (no accessRights !) => Keeping current accessRights !')
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return
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}
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this.config.accessRights = tmp.accessRights
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}
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}
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